| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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| 2 | /* |
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| 3 | * HID driver for some monterey "special" devices |
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| 4 | * |
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| 5 | * Copyright (c) 1999 Andreas Gal |
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| 6 | * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> |
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| 7 | * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc |
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| 8 | * Copyright (c) 2006-2007 Jiri Kosina |
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| 9 | * Copyright (c) 2008 Jiri Slaby |
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| 10 | */ |
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| 11 | |
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| 12 | /* |
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| 13 | */ |
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| 14 | |
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| 15 | #include <linux/device.h> |
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| 16 | #include <linux/hid.h> |
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| 17 | #include <linux/module.h> |
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| 18 | |
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| 19 | #include "hid-ids.h" |
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| 20 | |
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| 21 | static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
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| 22 | unsigned int *rsize) |
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| 23 | { |
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| 24 | if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) { |
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| 25 | hid_info(hdev, "fixing up button/consumer in HID report descriptor\n" ); |
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| 26 | rdesc[30] = 0x0c; |
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| 27 | } |
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| 28 | return rdesc; |
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| 29 | } |
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| 30 | |
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| 31 | #define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
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| 32 | EV_KEY, (c)) |
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| 33 | static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
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| 34 | struct hid_field *field, struct hid_usage *usage, |
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| 35 | unsigned long **bit, int *max) |
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| 36 | { |
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| 37 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) |
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| 38 | return 0; |
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| 39 | |
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| 40 | switch (usage->hid & HID_USAGE) { |
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| 41 | case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break; |
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| 42 | case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break; |
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| 43 | case 0x158: mr_map_key_clear(KEY_PRESENTATION); break; |
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| 44 | case 0x15c: mr_map_key_clear(KEY_STOP); break; |
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| 45 | default: |
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| 46 | return 0; |
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| 47 | } |
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| 48 | return 1; |
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| 49 | } |
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| 50 | |
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| 51 | static const struct hid_device_id mr_devices[] = { |
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| 52 | { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, |
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| 53 | { } |
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| 54 | }; |
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| 55 | MODULE_DEVICE_TABLE(hid, mr_devices); |
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| 56 | |
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| 57 | static struct hid_driver mr_driver = { |
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| 58 | .name = "monterey" , |
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| 59 | .id_table = mr_devices, |
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| 60 | .report_fixup = mr_report_fixup, |
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| 61 | .input_mapping = mr_input_mapping, |
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| 62 | }; |
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| 63 | module_hid_driver(mr_driver); |
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| 64 | |
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| 65 | MODULE_LICENSE("GPL" ); |
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| 66 | |
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